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☀️ Solar Energy/Panel Permits

Panel Permits: Arlington vs Newton

How do panel permits rules compare between Arlington, MA and Newton, MA?

Arlington and Newton have similar restriction levels.

Arlington, MA

Middlesex County

Few Restrictions

Solar PV requires a building and electrical permit under 780 CMR and 527 CMR 12. The MA Solar Access Law, MGL c.40A s.3, protects installations from zoning bans.

View full Arlington rules →

Newton, MA

Middlesex County

Few Restrictions

Newton uses the state streamlined solar permit process with plan review typically completed in 7-14 days. Rooftop residential solar is exempt from zoning restrictions under MGL c.40A s.3.

View full Newton rules →

Key Facts Comparison

FactArlingtonNewton
Building code780 CMR-
Electrical code527 CMR 12-
Solar access lawMGL c.40A s.3-
IncentiveSMART program-
UtilitiesEversource, Nat Grid-
State Law-MGL c.40A s.3
Building Permit-Around $75
Electrical Permit-Around $75
Review Time-7-14 days
Battery Trigger-Over 20 kWh

Highlighted rows indicate differences between cities.

Arlington FAQ

Can my town ban solar panels?

No. MGL c.40A s.3 prohibits unreasonable restrictions on solar energy systems.

Is net metering available?

Yes, through the MA DPU tariff subject to allocation caps.

Newton FAQ

Can Newton deny my rooftop solar?

No. MGL c.40A s.3 preempts local zoning restrictions on rooftop solar. Newton may regulate aesthetics and setbacks for ground-mount systems but cannot block rooftop panels.

Do I need a permit for solar?

Yes. Newton requires both a building permit and electrical permit from ISD for solar installations. Most residential systems are approved in 7-14 business days.

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